DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Derivative Assets
Gross amounts of recognized assets	$ 89,840	$ 54,454
Gross amounts offset in the statement of financial position	(2,233)	(3,630)
Net amounts of assets presented in the statement of financial position	87,607	50,824
Gross amounts financial instrument not offset in the statement of financial position	549	1,892
Net amount	88,156	52,716
Derivative Liabilities
Gross amounts of recognized liabilities	2,233	3,822
Gross amounts offset in the statement of financial position	(2,233)	(3,630)
Net amounts of liabilities presented in the statement of financial position		192
Net amount		$ 192